"List of Harvard papers on determination of atomic weights": p. 91-94
Further investigation concerning the atomic weights of silver, lithium and chlorine. By T.W. Richards and H.H. Willard.- The Harvard determinations of atomic weights, between 1870 and 1910.- Methods used in precise chemical investigation
Willard, Hobart Hurd, 1881-
Evidence reported by scanner-liz-ridolfo for item determinationsof00richuoft on March 15, 2007: no visible notice of copyright; stated date is 1910.